Confidence: Medium · Source: FCC ULS · As of 2026-09-10

AI4JO

Cancelled

Dayton, Sparrow B

Location: Sarasota, FL
Class: Amateur Extra
Granted: 2001-12-18
Expires: 2011-12-18
Previous call: KD4GOI
FRN: 0003833076

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Vanity availability

Available

Available now

AI4JO cleared its 2-year hold on 2007-04-22. Eligible for vanity application.

Last held by Dayton, Sparrow B (FL).

Confidence: High

Cancelled licenses begin the 2-year hold immediately, so this date is the firm release date per §97.19. Already past — fileable subject to FCC verification.

Callsign genealogy

Full chain →

Previously held by current licensee

KD4GOIcancelled· E
Dayton, Sparrow BFLgranted 2001-12-18cancelled 2005-03-15

Prior holders later became

W4SULactive· E
Dayton, Sparrow BFLgranted 2025-03-04

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

K4CYG 2026-09-10
K4YDD 2026-09-10
KG4QXI 2026-09-10
KG4RVV 2026-09-10
KG4VAB 2026-09-10

Starting with AI4

All →

AI4LB FL · 2026-09-18
AI4BO FL · 2026-11-20
AI4QU TN · 2026-11-29
AI4FC MA · 2026-12-16
AI4ES KY · 2026-12-31

Full history → Vanity availability → Callsign genealogy →